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 * Copyright (c) 2025, 2025, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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package com.oracle.svm.webimage.wasmgc;

/**
 * Wrapper for objects from the embedding runtime.
 * <p>
 * In Wasm these are represented as {@code externref}, but that doesn't fit into the Graal IR.
 * Because of that, any such {@code externref} values are wrapped in an instance of this class when
 * they come into the Java world.
 * <p>
 * This class has a hidden field (only accessible by Wasm code, not in Java code) that holds that
 * reference.
 * <p>
 * No Java code must ever instantiate this class, all instantiations happen in handwritten Wasm
 * code.
 */
public final class WasmExtern {
    private WasmExtern() {
    }
}
